gabbyalicorn
  • gabbyalicorn
What is the quotient written in scientific notation?
Mathematics
schrodinger
  • schrodinger
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gabbyalicorn
  • gabbyalicorn
gabbyalicorn
  • gabbyalicorn
Is there a shortcut instead of doing the problem 21 times?
gabbyalicorn
  • gabbyalicorn

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triciaal
  • triciaal
most definitely it's called using scientific notation and rules for exponents
gabbyalicorn
  • gabbyalicorn
Yay!
triciaal
  • triciaal
the general format for scientific notation a*10^n where a is greater than zero and less than 10 n is an integer
triciaal
  • triciaal
when you multiply numbers/variables with the same base you add the exponents when you divide numbers/variables with the same base you subtract the exponents
triciaal
  • triciaal
quotient is what you get when you divide
gabbyalicorn
  • gabbyalicorn
Okay, so in this case we are dividing. Tell me if I am doing this correctly, 21-3? Then 2x10 and 8x10.
triciaal
  • triciaal
|dw:1441819545319:dw|
gabbyalicorn
  • gabbyalicorn
|dw:1441819680126:dw|
triciaal
  • triciaal
|dw:1441819647136:dw|
triciaal
  • triciaal
|dw:1441819798295:dw|
gabbyalicorn
  • gabbyalicorn
So, I got 250. Is that correct?
triciaal
  • triciaal
|dw:1441819908951:dw|
gabbyalicorn
  • gabbyalicorn
|dw:1441819990960:dw|
gabbyalicorn
  • gabbyalicorn
dont leave meh qq
gabbyalicorn
  • gabbyalicorn
Oh...that was the answer... cx
triciaal
  • triciaal
slow down
gabbyalicorn
  • gabbyalicorn
Sorry.
triciaal
  • triciaal
review the process
triciaal
  • triciaal
scientific notation is used to work with very large and very small numbers properties for multiplication says you can rearrange how you combine terms to multiply them regroup to work with like terms use arithmetic and rules of exponents format the result in standard format (a*10^n)
gabbyalicorn
  • gabbyalicorn
Can you give me a quick example of regrouping please?
triciaal
  • triciaal
do you understand the steps I used and can apply them on your own now?
gabbyalicorn
  • gabbyalicorn
Well, I forgot how to regroup like terms and the rest i just am stumped at....
triciaal
  • triciaal
|dw:1441820701428:dw|
triciaal
  • triciaal
|dw:1441820826278:dw|
gabbyalicorn
  • gabbyalicorn
|dw:1441820949291:dw|
triciaal
  • triciaal
|dw:1441821055772:dw|
gabbyalicorn
  • gabbyalicorn
|dw:1441821107660:dw|
triciaal
  • triciaal
|dw:1441821115977:dw|
gabbyalicorn
  • gabbyalicorn
|dw:1441821197142:dw| yep thats what i got
triciaal
  • triciaal
using scientific notation we group the 10^n terms
triciaal
  • triciaal
then apply the rules for exponents to simplify that part
gabbyalicorn
  • gabbyalicorn
But i thought there is no more exponents left...
triciaal
  • triciaal
I am reviewing the steps how about if you try the original problem by yourself and the let me know if you have any questions
gabbyalicorn
  • gabbyalicorn
Oh, okay. But i thought i was doing the original problem...
triciaal
  • triciaal
start fresh and do it on your own
gabbyalicorn
  • gabbyalicorn
o-o okay......|dw:1441821875697:dw|
triciaal
  • triciaal
start by regrouping the "regular" and the "powers of 10"
triciaal
  • triciaal
|dw:1441822563836:dw|

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